An argument can be logically valid, but unsound in that it contains a false premise and, therefore, leads to a false conclusion (e.g., Scientists are smart; smart people do not make mistakes; therefore, scientists do not make mistakes).

All civilized nations must unite in condemnation of a theology that now threatens to destabilize much of the earth.

Let me assure you that my intent is not to offend or merely be provocative. I'm simply worried.

The perpetrators of the Inquisition - the torturers, informers, and those who commanded their actions - were ecclesiastics of one rank or another. They were men of God - popes, bishops, friars, and priests.

Nothing guarantees that reasonable people will agree about everything, of course, but the unreasonable are certain to be divided by their dogmas. It is time we recognized that this spirit of mutual inquiry, which is the foundation of all real science, is the very antithesis of religious faith.

There is no question but that nominally religious scientists like Francis Collins and Kenneth R. Miller are doing lasting harm to our discourse by the accommodations they have made to religious irrationality.

Anyone familiar with my work knows that I am extremely critical of all religious faiths.